classes = [
    {
        'name': '3.F',
        'class_teacher': 'Foo Bar'
    },
    {
        'name': '4.C',
        'class_teacher': 'Bar Foo'
    }
]

students = [
    {
        'name': 'Pero',
        'surname': 'Peric',
        'year': 2000,
        'gender': 'M',
        'classes_id': 1
    },
    {
        'name': 'Marko',
        'surname': 'Mrkic',
        'year': 2000,
        'gender': 'M',
        'classes_id': 1
    },
    {
        'name': 'Vid',
        'surname': 'Juracic',
        'year': 2000,
        'classes_id': 2
    },
]